Pressure regulator



l. R. COWIN PRESSURE REGULATOR 2 Sheet -s Filed Dec.

Patented May 1, 1923.

UNETED STATES IRVING B. COWIN', OF CLEVELAND, OHIO, ASSIGNOR OF ONE-HALF TO WILLIAM CARMACK AND ONE-HALF T0 F. 0. WEEK, BOTH OF CLEVELAND, OH.IO

rnEssUn-n REGULATOR- Application filed December 23, 1921. Serial No. 524,435.

To all whom it may concern:

Be it known that I, IRVING R. Gowns, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Pressure Regulators, of which the following is a specification.

This invention is a. pressure regulator particularly adapted and intended for use on gas lines supplying natural and other gas to burners, and has for its object to provide an improved device by means of which a uniform pressure is automatically assured at each point of combustion regardless of the number of burners in use or the variations in pressure in the supply main. A further object 'of the device is to homogenize the gas or mixture of gases before it is supplied to the burners, giving a uniform mixture of eflicient heating quality. The device has been tested and found to be practically successful for the purposesreferred to.

In the accompanying drawings Fig. 1 is a side elevation of the regulator. Fig. 2 is a vertical section thereof. Fig. 3 is a similar section at right angles to Fig. 2. Figs. 4, 5 and 6 are sections on the lines 1-&, 55 and 6-6 of Fig. 2.

The device includes a cylinder 1 having its ends closed by caps 2 which have nipples 3 to receive the inlet pipe 4 at the bottom and outlet pipe a at the top. A nozzle 5 having a screen 6 in the lower part thereof is mounted in the bottom of the cylinderover the inlet pipe 4, and this nozzle is off set to direct the blast of gas against a fan 10 on a shaft 11 supported by a frame 7 and a cross piece 8 thereon, the shaft being mounted in adjustable screw bearings 12.

Mounted between the legs of the frame 7 is a ring 13 between which and an angle ring 14. is clamped the lower end of a bellows 15, the ring 13 being fastened to the legs of the frame 7 in any suitable manner. The upper end of the bellows is fastened to the rim of a flanged disk or plate 16 bya ring 17, the disk being free to move up and down in consequence of the variations of pressure thereunder. Springs 18 are connected between lugs 19 and 20 on the plate '16 and ring 14 respectively, and these springs resist lifting action of the plate 16. Adjusting screws 21 are threaded-through nipples 22 and stuffing I boxes 28 on the upper cap of the cylinder,

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and these screws act to stop the lift ofthe disk 16 which w'orksto and from the outlet pipe 4 to vary the opening thereto.

In operation, the gas under pressure enters the lower end of the. cylinder through the nozzle 5, and causes the fan to rotate which produces a uniform mixture of the gas, and v from the fan the gas flows into the bellows" and upwardly against the plate 16, and lifts said plate more or less according t'o the pressure, and .as stated this lift varieslthe effective outlet opening from the cylinder and consequently regulates the pressure at the outlet and insures a uniform supply of gas to the burners. This action resultswhen any burner is opened by automatically varying the sizeof the passage from the regu lator according to the pressure at the inlet. The rate of flow isthereby automatically controlled'according to the pressure and the service demands on the main, and has been found very useful in controlling the flow of natural gas where the pressure is .often- I subject to rather wide variations.

I claim:

. 1. A gas pressure regulator comprising a caslng having an lnlet at one end and an outlet at the other, a cylindrical bellows sup 7 ported in the casing betweenthe inlet and the outlet, av plate extending across the end of the bellows nearest the outlet, and springs connected to said plate, the plate being mov able according to the pressurein the bellows toward and from said outlet.

2. A pressure regulator comprising a casing having an inletat its lower end and an outlet atits upper end, a nozzle in the casing at the inlet, a fan above the nozzle, adapted to be rotated by eb "from the nozzle, I

said bellows being providedwith an up r and a bellows in the upper part ofthe casing,

plate which works toward and from the outlet to vary the flow therethrough, according.

to variations in the pressure;v

In testimony whereof, I do aflixmy-signature in presence of two witnesses.

IRVING COWIN. Witnesses: v

JOHN A. BOMMHARDT, EDWARD J. HoBDAr. 

